I have sufficient supplies for my camping trip.
Sufficient means enough.ExampleI don't have sufficient money to buy a new car.
Have you had sufficient to eat? The police did not have sufficient evidence to prosecute.
The meal was sufficient for my sustenance. Has your account sufficient funds to cover this check?
The second sentence the word is used correctly, but it is weak. The first sentence, the word is not used correctly. I think that the sentence, "Are these snacks really sufficient for your trip?," is more proper.
The evidence provided was sufficient to support the conclusion.
No--at is a preposition, and you technically shouldn't end a sentence with a preposition. In this example, it is sufficient to say "Where do you live?"
You have very sufficient work, Kayla!
Log file analysis is not sufficient for this purpose.
Although I did not have much money in my pocket, it was sufficient to pay for the taxi ride.
you should always be self sufficient and not depend on others only
The fuel in the plane's tank was sufficient, so the plane could land safely.
The word suffice means to do, or be sufficient. One example of this word in a sentence would be "You will suffice in the position I am looking to fill, so suffice to say you are hired".